package com.hyl.springbootsecurity.security;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

/**
 * 登入处理
 *
 * @author hyl
// * @date 2025-01-10
 */
@Service("userDetailsService")
public class UserDetailsServiceImpl implements UserDetailsService {
    @Autowired
    private PasswordEncoder pw;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        // 1、判断用户名是否存在，如果不存在，抛出 UsernameNotFoundException 异常
        if (!"admin".equals(username)) {
          throw new UsernameNotFoundException("用户名不存在！");
          }
         // 2、把查询出来的密码(注册时已经加密过的)，直接放入 User 的构造方法中
         String password = pw.encode("123");
         return new User(username,password,
             AuthorityUtils.commaSeparatedStringToAuthorityList("admin,normal"));
    }
}
